within investigating and water holding experiment indoors to the four species(Agropyron mongolicum,Glycyrrhiza uralensis,Leymus secalinus,and Artemisia desertorum) of representative plant community in desert steppe,using the methods of the mathematical statistics,and gained the hydrological features parameters including the capita storage,the maximum capita storage of water holding,water absorption rate and etc.The results showed that enclosure and grazing prohibition on the different capita storage of plan...